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Finding the Fourth Proportional to 17,378.56, 26,068.88 and 4,899.65

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Solution

The fourth proportional to 17,378.56, 26,068.88 and 4,899.65 is: 7,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.56 : 26,068.88 = 4,899.65 : x
  2. Step 2: Convert to fraction form
    17,378.56/26,068.88 = 4,899.65/x
  3. Step 3: Cross multiply
    17,378.56x = 26,068.88 × 4,899.65
  4. Step 4: Simplify right side
    17,378.56x = 127,728,416.43
  5. Step 5: Solve for x
    x = 127,728,416.43/17,378.56
  6. Step 6: Final answer
    x = 7,349.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.